<template>
	<div class="login">
		<div class="login_box">
			<!-- 头像 -->
			<div class="avatar">
				<img src="../assets/logo.png" />
			</div>
			<!-- 登录表单 -->
			<el-form ref="loginFormRef" label-width="0px" class="login_form" :model="loginForm" :rules="loginFormRules">
				<!-- 用户名 -->
			  <el-form-item prop="username">
			    <el-input v-model="loginForm.username" prefix-icon="el-icon-user-solid"></el-input>
			  </el-form-item>
				<!-- 密码 -->
				<el-form-item prop="password">
				  <el-input v-model="loginForm.password" prefix-icon="el-icon-lock" show-password></el-input>
				</el-form-item>
				<!-- 按钮 -->
				<el-form-item class="btns">
				  <el-button type="primary" @click="login">登录</el-button>
					<el-button type="infor" @click="resetLoginForm">重置</el-button>
				</el-form-item>
			</el-form>
		</div>
	</div>
</template>

<script>
	export default {
		name: "Login",
		data() {
			return {
				loginForm: {
					username:'admin',
					password:'123456'
				},
				//表单验证
				loginFormRules: {
					username:[
						 { required: true, message: '请输入用户名', trigger: 'blur' },
						 { min: 3, max: 8, message: '长度在 3 到 5 个字符', trigger: 'blur' }
					],
					password:[
						{ required: true, message: '请输入密码', trigger: 'blur' },
						 { min: 6, max: 18, message: '长度在 6 到 18 个字符', trigger: 'blur' }
					]
				}
			}
		},
		methods: {
			resetLoginForm() {
				this.$refs.loginFormRef.resetFields();
			},
			login() {
				this.$refs.loginFormRef.validate(async(valid) => {
					if(!valid) return;
					const {data:res} = await this.$http.post('login',this.loginForm);
					if(res.meta.status !== 200) {
						
						this.$message.error('登录失败！')
					}else {
						this.$message.success('登录成功')
						console.log(res)
						window.sessionStorage.setItem('token',res.data.token)
						this.$router.push('/home')
					}
				})
			}
		}
	}
</script>

<style scoped="scoped">
	.login {
		background-color: #2b4b6b;
		height: 100%;
	}

	.login_box {
		width: 450px;
		height: 300px;
		background-color: #fff;
		border-radius: 3px;
		position: absolute;
		left: 50%;
		top: 50%;
		transform: translate(-50%, -50%);

	}

	.avatar {
		height: 130px;
		width: 130px;
		border: 1px solid #eee;
		border-radius: 50%;
		padding: 10px;
		box-shadow: 0 0 10px #ddd;
		position: absolute;
		left: calc(50% - 65px);
		top: -65px;
	}

	.avatar img {
		width: 100%;
		height: 100%;
		border-radius: 50%;
		background-color: #eee;
	}
	.login_form {
		position: absolute;
		bottom: 0;
		width: 100%;
		box-sizing: border-box;
		padding: 0 60px;
	}
	.btns {
		display: flex;
		justify-content: flex-end;
	}
</style>
